参数资料
型号: P6KE12A-HE3/54
厂商: VISHAY SEMICONDUCTORS
元件分类: 参考电压二极管
英文描述: 600 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-204AC
封装: ROHS COMPLIANT, PLASTIC, DO-15, 2 PIN
文件页数: 6/7页
文件大小: 98K
代理商: P6KE12A-HE3/54
www.vishay.com
6
Document Number 88369
20-Jun-06
Vishay General Semiconductor
P6KE6.8 thru P6KE540A
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
APPLICATION NOTE
This P6KE TVS series is a low cost commercial
product for use in applications where large voltage
transients can permanently damage voltage-sensitive
components.
The P6KE series device types are designed in a small
package
size
where
power
and
space
is
a
consideration. They are characterized by their high
surge capability, extremely fast response time, and low
impedance, (Ron). Because of the unpredictable
nature
of
transients,
and
the
variation
of
the
impedance
with
respect
to
these
transients,
impedance, per se, is not specified as a parametric
value. However, a minimum voltage at low current
conditions (BV) and a maximum clamping voltage (Vc)
at a maximum peak pulse current is specified.
In some instances, the thermal effect (see Vc
Clamping Voltage) may be responsible for 50 % to
70 %. of the observed voltage differential when
subjected to high current pulses for several duty
cycles,
thus
making
a
maximum
impedance
specification insignificant.
In case of a severe current overload or abnormal
transient beyond the maximum ratings, the Transient
Voltage Suppressor will initially fail 'short' thus tripping
the system's circuit breaker or fuse while protecting the
entire circuit. Curves depicting clamping voltage vs.
various current pulses are available from the factory.
Extended power curves vs. pulse time are also
available.
Figure 7. Typical Reverse Leakage Characteristics
V(BR) - Breakdown Voltage (V)
ID
-
Instantaneo
u
s
Re
v
erse
Leakage
C
u
rrent
(
A)
0.01
0.1
10
100
1
0
100
200
300
400
600
500
Measured at Devices
Stand-off Voltage VWM
TA = 25 °C
Figure 8. Typical Transient Thermal Impedance
tp - Pulse Duration (sec)
Transient
Thermal
Impedance
(°C/
W
)
10
100
1
0.1
0.001
0.01
0.1
1
10
100
1000
0.034 (0.86)
0.028 (0.71)
Dia.
0.140 (3.6)
0.104 (2.6)
Dia.
0.230 (5.8)
0.300 (7.6)
1.0 (25.4)
min.
1.0 (25.4)
min.
DO-204AC (DO-15)
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